Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Anti-Theft Feature
The navigation unit have a coded theft protection circuit. Make sure you have the anti-theft security code before:
- Disconnecting the battery.
- Disconnecting the audio-navigation unit connector A (24P) and C (8P).
- Removing the No. 1 (10 A) fuse from the under-dash fuse/relay box.
If the code card is lost or unavailable, you can get the code from the iN using the navigation system serial number. The system serial number can easily be obtained without removing the audio-navigation unit. To get the serial number and the code, do the following:
- Press and hold the MAP/GUIDE, MENU, and CANCEL buttons at the same time.
- At the select diagnosis items screen, select Detail Information & Setting, select Unit Check, then ECU Info. The system runs a brief diagnosis, then the audio-navigation unit serial number is displayed at the bottom of the screen. (See START-UP PROCEDURE AND DIAGNOSTIC MENUΒ ).
- Use the navigation Anti-theft code inquiry option on the iN to look up the 4-digit navigation anti-theft code.
The iN may display more than one code for a given serial number. This is because serial numbers are not unique. You may have to try more than one 4-digit code. If no code is shown, or if the code(s) given do not work in the audio-navigation unit, contact the Automobile Warranty department.
Alternatively, you can find the serial number on the underside label which is located on the audio-navigation unit in the dash.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
